1) you should consider if the person promoting the product are reliable. Do they have a qualification? Are they specialised in what they do?
2) Check to see if the product is endorsed by a recognised fitness or health institution. If it's from an institution that isn't very well known then it may not be as reliable as others. Gear from such institutions as Nike, puma, adidas etc are all well known brands and therefore would be reliable to purchase products from them.
3) Compare the products in a range of places. Don't just look at the first advertisement and think " oh that will do" because you may find a better deal or a more reliable deal if you compare it.
4) Once you know the product you want to buy, investigate the product. Don't just buy it straight away. Make sure you investigate it to insure that it suits your needs and that it is reliable to purchase.
2) Check to see if the product is endorsed by a recognised fitness or health institution. If it's from an institution that isn't very well known then it may not be as reliable as others. Gear from such institutions as Nike, puma, adidas etc are all well known brands and therefore would be reliable to purchase products from them.
3) Compare the products in a range of places. Don't just look at the first advertisement and think " oh that will do" because you may find a better deal or a more reliable deal if you compare it.
4) Once you know the product you want to buy, investigate the product. Don't just buy it straight away. Make sure you investigate it to insure that it suits your needs and that it is reliable to purchase.